Morrison Bros 305-0200AAEVR 4" Tight Fill Adaptor, Brass, CARB EVR Approved AST Equipment Morrison tank vents are designed

Morrison tank vents are designed only for use on shop fabricated atmospheric tanks which have been built and tested in accordance with UL 142

Maximum Working Pressure (kPa)    10200

to prevent vapors from escaping and to prevent water

All storage tank vent air passages must be completely free of restriction and all vent mechanisms must have free movement in order to insure proper operation

400 Series

Morrison Bros 305-0200AAEVR 4" Tight Fill Adaptor, Brass, CARB EVR Approved AST Equipment Morrison tank vents are designedTop seal adaptors thread onto underground and aboveground storage tank fill ports and riser pipes where tight fill connections are required. Application Tank monitor caps and adaptors are installed on tank monitor riser pipes to keep water and debris out while providing a liquid tight opening for the probe wire to pass through. Standard Features Accommodates Morrison most brands of top seal caps Straight threads with gasket secure Morrison 419 drop